University of Colorado Boulder Study Explains Why Tall People are Smarter

The fact that taller people also tend to be slightly smarter is due in roughly equal parts to two phenomena -- the same genes affect both traits and taller people are more likely than average to mate with smarter people and vice versa -- according to a study led by the University of Colorado Boulder. The study did not find that environmental factors contributed to the connection between being taller and being smarter, both traits that people tend to find attractive.